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UIElement.OnTouchDown Method

Provides class handling for the TouchDown routed event that occurs when a touch presses inside this element.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)

protected virtual void OnTouchDown(
	TouchEventArgs e
)

Parameters

e
Type: System.Windows.Input.TouchEventArgs
A TouchEventArgs that contains the event data.

The OnTouchDown method has no default implementation. Override OnTouchDown in a derived class to handle the TouchDown event. Be sure to call the base class’s OnTouchDown method so that base classes receive the event.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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